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Ignatius Loyola Donnelly

Ignatius Loyola Donnelly (November 3, 1831 – January 1, 1901) was an American U.S. representative, populist writer, and pseudoscientist. He is known primarily now for his fringe theories concerning Atlantis, Catastrophism (especially the idea of an ancient impact event affecting ancient civilizations), and Shakespearean authorship. These works are widely regarded as examples of pseudoscience and pseudohistory.

Also recorded as Ignatius Donnelly · Ignatius L. Donnelly

Ignatius Loyola Donnelly

Ignatius Donnelly

English Wikipedia · Public domain

Birth Name
Ignatius Loyola Donnelly
Born
3 November 1831
Birthplace
Philadelphia, Pennsylvania, U.S.
Died
1 January 1901
Place of death
Minneapolis, Minnesota, U.S.
Occupation
Attorney Author
Nationality
United States
Languages
English

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Ignatius Loyola Donnelly (November 3, 1831 – January 1, 1901) was an American U.S. representative, populist writer, and pseudoscientist. He is known primarily now for his fringe theories concerning Atlantis, Catastrophism (especially the idea of an ancient impact event affecting ancient civilizations), and Shakespearean authorship. These works are widely regarded as examples of pseudoscience and pseudohistory.

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Ignatius Loyola Donnelly (1831–1901) was an American lawyer, member of parliament and novelist, among other activities. Born in Philadelphia, the lawyer died in Minneapolis. Ignatius Loyola Donnelly was also known as Edmund Boisgilbert. Ignatius Loyola Donnelly held the positions of member of the Minnesota House of Representatives and member of the State Senate of Minnesota, among others. Languages used include English.

Composed from admitted, traceable facts · 26 September 2026

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wikidata · Q918937 · wikipedia · Ignatius L. Donnelly

In this article

  1. 01Biography
  2. 02Reception, influence and legacy
  3. 03Archives and collections
  4. 04Notes, references and evidence

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